Quote:
Originally Posted by semtex
Berk, because it has an extended O2 port the Stillen doesn't. Plus you don't need to worry about re-using the stock o-ring on the stock cats.
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the stock cat doesn't use an extended O2 port. Having a long tube makes me think the O2 sensor would give an inaccurate reading because hardly any fresh exhaust gas is moving by the sensor. What is the logic behind using a long O2 sensor tube?